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Free download of every element, including the Apple Watch devices, icons and clocks vectorised in Sketch ready to adjust, resize and export at any resolution. Apple Watch GUI for Sketch includes every element painstakingly recreated in vector that lets you analyse complete Apple Watch UI including several screenshots from the built-in apps. It respects the latest Apple guidelines and was carefully compared against the newest screenshots.

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A new curated newsletter collecting the best WatchKit development links. WatchKit Resources, published by Brian Gilham, is delivered to your inbox each and every Friday, and covers several useful resources for anyone designing and building apps for Apple Watch. Previous issues have included links to development tutorials, design advice, Apple Watch development tools, events and more. Definitely worth subscribing if you have any interest in Apple Watch.

A complete Apple Watch UI PSD that includes over 270 UI templates across 6 categories including health, business, location, and more. They've also provided detailed templates for all the built-in watch face as well as several others that you can use for inspiration. The current version and all future updates will be free to download in PSD format with a Sketch version available for a price with the UI8 Ultimate Pass.

An iOS app that lets you interactively view your Apple Watch app at actual size on your iPhone or iPad. WatchSim automatically connects to the companion app that runs from the menubar on a Mac running the iOS Simulator. The mirrored watch screen relays touch events back to the simulator allowing you to test the user experience of you watch interfaces. A simple outline bezel is included, but custom bezel designs can be uploaded to the app using iTunes file sharing. WatchSim is a great utility, especially in the run up to the Apple Watch launch in April.

A OS X app that helps you visualise what your Apple Watch apps will look like on a real device. Bezel shows a window that looks like an Apple Watch and projects the contents of the Simulator’s watch window into it. Bezel contains a default watch frame that is an artist’s rendering of the Apple Watch but also supports custom watch frame images (a collection of which can be downloaded from the Bezel site). An excellent tool to help put your watch designs in perspective before the actual device is released.